A new fan structure and a axial flow fan device

Abstract

The utility model discloses a novel fan structure and axial flow fan device, this novel fan structure includes: axial flow fan wheel, first frame body and second frame body, second frame body has the second butt joint department of setting up corresponding first butt joint department and the installation portion of corresponding assembly unit, and second frame body can be detachably connected with first frame body and form the air supply channel, and axial flow fan wheel is located in the air supply channel and is installed in the installation portion of second frame body through assembly unit, and first frame body sets up close to the air inlet side of axial flow fan wheel, and second frame body sets up close to the air outlet side of axial flow fan wheel, wherein, after the butt joint of first frame body and second frame body, the corner of the contact edge of first frame body and second frame body side wall forms the drainage air duct, and the contact edge of first frame body and second frame body forms the open slit, and the drainage air duct is communicated with the open slit, and the open slit sets up close to the air outlet of air supply channel. The utility model can design the drainage air duct flexibly, increase the pressure in the drainage air duct, and improve the air volume of fan.

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